Table 6

Unadjusted and adjusted mean differences in fatigue scores between children with CFS (n=56) and the general population (n=502)

Unadjusted modelAdjusted model *
Mean difference95% CIMean difference95% CI
Total fatigue−36.7 −40.1 to −33.3 −32.6 −36.3 to −29.0
General fatigue−49.8 −53.5 to −46.1 −45.9 −49.8 to −41.9
Sleep/rest fatigue−35.7 −39.9 to −31.5 −30.3 −34.7 to −25.9
Cognitive fatigue−24.1 −29.1 to −19.2 −21.8 −27.2 to −16.4

  • PedsQL MFS is scored on a scale from 0 to 100, with a lower score indicating more severe fatigue. A negative mean difference indicates a lower score for the children with a chronic disease, indicating more fatigue.

  • *The adjusted model was corrected for age, gender and reporting method.

  • Significant differences in bold.

  • CFS, chronic fatigue syndrome; PedsQL MFS, PedsQL multidimensional fatigue scale.